| Revista: | Papeis avulsos de zoologia |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000299479 |
| ISSN: | 0031-1049 |
| Autors: | Scott-Junior, Norman J1 Giraudo, Alejandro R2 Scrocchi, Gustavo3 Aquino, Aída Luz4 Cacciali, Pier5 Motte, Martha |
| Institucions: | 1Smithsonian Institution, Creston, California. Estados Unidos de América 2Instituto Nacional del Limnología, Santo Tomé, Santa Fe. Argentina 3Fundación Miguel Lillo, Instituto de Herpetología, San Miguel de Tucumán, Tucumán. Argentina 4World Wildlife Fund, Asunción. Paraguay 5Museo Nacional de Historia Natural del Paraguay, Asunción. Paraguay |
| Any: | 2006 |
| Volum: | 46 |
| Número: | 9 |
| Paginació: | 77-105 |
| País: | Brasil |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Analítico, descriptivo |
| Resumen en inglés | Snakes of the pseudoboine genera Clelia, which is probably polyphyletic, and Boiruna are distributed from southern Argentina, southern Brazil, and Uruguay northwards into central México. Six members occur in Paraguay and Argentina: B. maculata, Clelia bicolor, C. clelia, C. plumbea, C. quimi, and C. rustica. Historically, there has been taxonomic confusion among the larger species (B. maculata, C. clelia, C. plumbea, and C. rustica) and between the small species (C. bicolor and C. quimi). All of the species except C. rustica have distinct ontogenetic color changes. Species can be distinguished on the bases of size, color, hemipenial spines, and loreal, supralabial, and ventral scale counts. Much of the morphological evolutionary differentiation in Boiruna and Clelia seems to have taken place in the snout region, as evidenced by the differing proportions of the scales of the loreal region. Boiruna maculata has the widest ecological amplitude. It is broadly distributed in most vegetation types north of the 38th parallel in central Argentina, being absent only from the deltaic sediments of Buenos Aires Province, Argentina and the broad valleys and rolling hills of eastern Paraguay. Clelia bicolor is most common in the Paraguay and Paraná river valleys, with a few records from the Andean foothills in northern Argentina. Clelia clelia is distributed along the Río Paraguay and the lower Paraná, and is also found throughout much of eastern Paraguay. Clelia plumbea is apparently parapatric with C. clelia along the Río Paraná in southeaster |
| Disciplines | Biología |
| Paraules clau: | Anfibios y reptiles, Evolución y filogenia, Taxonomía y sistemática, Paraguay, Pseudoboines, Colubridae, Clelia, Boiruna, Argentina |
| Keyword: | Biology, Amphibians and reptiles, Evolution and phylogeny, Taxonomy and systematics, Paraguay, Pseudoboines, Colubridae, Clelia, Boiruna, Argentina |
| Text complet: | Texto completo (Ver HTML) |
